已知y满足不等式(-y+1/2)-y＞2+（y+2/3）,化简/y+1/+/2y-1/=_____ 急!
问题描述：
已知y满足不等式(-y+1/2)-y＞2+（y+2/3）,化简/y+1/+/2y-1/=_____ 急!
答
(-y+1/2)-y＞2+（y+2/3）=>-3y>3
=>y/y+1/+/2y-1/=1-y+1-2y=2-3y